What the Arc Browser Story Reveals About the Future of Browser Security

For devs, this just solidifies that we should be writing pure standard JS/TS, HTML, CSS, SVG, and nothing else.

Things that diverge from browser standards (like frameworks instead of web components, or special APIs) just create a place for things to break.

That said, if you want a special browser you can guarantee will be available, just wrap it in Electron and ship that, like many big players do.